import fire
from pyspark.sql import SparkSession
from pyspark.sql import functions as f
-from similarities_helper import build_tfidf_dataset, build_weekly_tfidf_dataset, select_topN_subreddits
+from similarities_helper import tfidf_dataset, build_weekly_tfidf_dataset, select_topN_subreddits
def _tfidf_wrapper(func, inpath, outpath, topN, term_colname, exclude, included_subreddits):
- spark = SparkSession.builder.getOrCreate()
+ spark = SparkSession.builder.getOrCreate()y
df = spark.read.parquet(inpath)
df = df.filter(~ f.col(term_colname).isin(exclude))
if included_subreddits is not None:
- include_subs = set(map(str.strip,map(str.lower, open(included_subreddits))))
+ include_subs = set(map(str.strip,open(included_subreddits)))
else:
include_subs = select_topN_subreddits(topN)
- df = func(df, include_subs, term_colname)
-
- df.write.parquet(outpath,mode='overwrite',copmression='snappy')
+ dfwriter = func(df, include_subs, term_colname)
+ dfwriter.parquet(outpath,mode='overwrite',compression='snappy')
spark.stop()
def tfidf(inpath, outpath, topN, term_colname, exclude, included_subreddits):
- return _tfidf_wrapper(build_tfidf_dataset, inpath, outpath, topN, term_colname, exclude, included_subreddits)
+ return _tfidf_wrapper(tfidf_dataset, inpath, outpath, topN, term_colname, exclude, included_subreddits)
def tfidf_weekly(inpath, outpath, topN, term_colname, exclude, included_subreddits):
return _tfidf_wrapper(build_weekly_tfidf_dataset, inpath, outpath, topN, term_colname, exclude, included_subreddits)
-def tfidf_authors(outpath='/gscratch/comdata/output/reddit_similarity/tfidf/comment_authors.parquet',
- topN=25000,
+def tfidf_authors(inpath="/gscratch/comdata/output/reddit_ngrams/comment_authors.parquet",
+ outpath='/gscratch/comdata/output/reddit_similarity/tfidf/comment_authors.parquet',
+ topN=None,
included_subreddits=None):
- return tfidf("/gscratch/comdata/output/reddit_ngrams/comment_authors.parquet",
+ return tfidf(inpath,
outpath,
topN,
'author',
included_subreddits=included_subreddits
)
-def tfidf_terms(outpath='/gscratch/comdata/output/reddit_similarity/tfidf/comment_terms.parquet',
- topN=25000,
+def tfidf_terms(inpath="/gscratch/comdata/output/reddit_ngrams/comment_terms.parquet",
+ outpath='/gscratch/comdata/output/reddit_similarity/tfidf/comment_terms.parquet',
+ topN=None,
included_subreddits=None):
- return tfidf("/gscratch/comdata/output/reddit_ngrams/comment_terms.parquet",
+ return tfidf(inpath,
outpath,
topN,
'term',
included_subreddits=included_subreddits
)
-def tfidf_authors_weekly(outpath='/gscratch/comdata/output/reddit_similarity/tfidf_weekly/comment_authors.parquet',
- topN=25000,
+def tfidf_authors_weekly(inpath="/gscratch/comdata/output/reddit_ngrams/comment_authors.parquet",
+ outpath='/gscratch/comdata/output/reddit_similarity/tfidf_weekly/comment_authors.parquet',
+ topN=None,
included_subreddits=None):
- return tfidf_weekly("/gscratch/comdata/output/reddit_ngrams/comment_authors.parquet",
+ return tfidf_weekly(inpath,
outpath,
topN,
'author',
included_subreddits=included_subreddits
)
-def tfidf_terms_weekly(outpath='/gscratch/comdata/output/reddit_similarity/tfidf_weekly/comment_terms.parquet',
- topN=25000,
+def tfidf_terms_weekly(inpath="/gscratch/comdata/output/reddit_ngrams/comment_terms.parquet",
+ outpath='/gscratch/comdata/output/reddit_similarity/tfidf_weekly/comment_terms.parquet',
+ topN=None,
included_subreddits=None):
- return tfidf_weekly("/gscratch/comdata/output/reddit_ngrams/comment_terms.parquet",
+ return tfidf_weekly(inpath,
outpath,
topN,
'term',